How much chocolate is left?
In this short activity, students reason and calculate what is left of these chocolate bars. The bars are the same size but are molded into different numbers of sections. Which one ha...
tags: 4.NF
under construction
tags:
4.NF
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Mixing colors with food dye
It's time to dye eggs!
What do you wonder about these recipes (See the activity) for coloring?
What would happen if I used the wrong recipe (i.e. cake mix instead of egg ...
Population Clock
How in the world does this clock conclude that there is a net gain in the United States of one person every 14 seconds?
Have a little care about younger children when using this activity. T...
What's wrong with this picture?
We've gotten used to believing what we read or see advertised. But sometimes the clerk doesn't get the sales discount right or something seems a little off. Let students ponder this store me...
Father's Day blueberry surprise
Father's Day is coming up, and there is still time to have a tiny fraction review in the guise of celebrating Father's Day.This is a short activity that asks students to change the amounts in a ...
Happy 14th B'ak'tun!
Luckily, we’ve passed 12/21/2012 and the world is still here and we’ve made it into the start of the next Mayan calendar cycle ... the next B’ak’tun.
The ancient Mayans had an interesting...